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Finding the Fourth Proportional to 67,332.48, 100,998.64 and 18,084.48

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Solution

The fourth proportional to 67,332.48, 100,998.64 and 18,084.48 is: 27,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,332.48 : 100,998.64 = 18,084.48 : x
  2. Step 2: Convert to fraction form
    67,332.48/100,998.64 = 18,084.48/x
  3. Step 3: Cross multiply
    67,332.48x = 100,998.64 × 18,084.48
  4. Step 4: Simplify right side
    67,332.48x = 1,826,507,885.11
  5. Step 5: Solve for x
    x = 1,826,507,885.11/67,332.48
  6. Step 6: Final answer
    x = 27,126.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.